Apopuli.134
net.lang.apl
utzoo!decvax!ucbvax!G:shallit
Fri Apr  9 14:48:58 1982
Re: Quiz time
A solution to this problem was given by Michael Halpern in his IBM
technical report "Algebra, Scan, and Permutations".  I would be glad
to mail copies of his functions to interested parties.
/Jeff Shallit, Department of Mathematics, UC Berkeley, Berkeley, CA  94720